Sean Ono Lennon Welcomes Baby Boy – John Lennon, Yoko Ono’s First Grandchild

Sean Ono Lennon and partner Charlotte Kemp Muhl have welcomed their first child, a baby boy named Aurelius. The couple announced the news on Instagram, with Sean writing they had “created a Human Bean! His name is Aurelius! Thank you!” Aurelius is the first grandchild of John Lennon and Yoko Ono. Sean has previously spoken about his role as custodian of his father’s legacy, telling CBS Sunday Morning in December 2025, “I’m just doing my best to help make sure that the younger generation doesn’t forget about the Beatles and John and Yoko.” John Lennon famously wrote “Beautiful Boy (Darling Boy)” for Sean on the 1980 album Double Fantasy, reflecting on fatherhood and watching his son grow up